Home / 28,829.93-39,784.77-16,254.68

Finding the Fourth Proportional to 28,829.93, 39,784.77 and 16,254.68

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Solution

The fourth proportional to 28,829.93, 39,784.77 and 16,254.68 is: 22,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.93 : 39,784.77 = 16,254.68 : x
  2. Step 2: Convert to fraction form
    28,829.93/39,784.77 = 16,254.68/x
  3. Step 3: Cross multiply
    28,829.93x = 39,784.77 × 16,254.68
  4. Step 4: Simplify right side
    28,829.93x = 646,688,506.30
  5. Step 5: Solve for x
    x = 646,688,506.30/28,829.93
  6. Step 6: Final answer
    x = 22,431.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.